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#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
#include <augeas.h>
#define LIBNAME "augeas"
#define PAUG_META "augeas"
#ifndef VERSION
#define VERSION "unknown"
#endif
static int Paug_init(lua_State *L)
{
augeas **a;
a = (augeas **) lua_newuserdata(L, sizeof(augeas *));
luaL_getmetatable(L, PAUG_META);
lua_setmetatable(L, -2);
*a = aug_init(NULL, NULL, 0);
if (*a == NULL)
luaL_error(L, "aug_init failed");
return 1;
}
static augeas **Paug_checkarg_index(lua_State *L, int index)
{
augeas **a;
luaL_checktype(L, index, LUA_TUSERDATA);
a = (augeas **) luaL_checkudata(L, index, PAUG_META);
if (a == NULL)
luaL_typerror(L, index, PAUG_META);
return a;
}
static augeas **Paug_checkarg(lua_State *L)
{
return Paug_checkarg_index(L, 1);
}
static int Paug_close(lua_State *L)
{
augeas **a = Paug_checkarg(L);
if (*a)
aug_close(*a);
return 0;
}
static int Paug_get(lua_State *L)
{
augeas **a;
const char *path;
const char *value = NULL;
a = Paug_checkarg(L);
path = luaL_checkstring(L, 2);
lua_pushinteger(L, aug_get(*a, path, &value));
lua_pushstring(L, value);
return 2;
}
static int Paug_print(lua_State *L)
{
augeas **a;
const char *path;
a = Paug_checkarg(L);
path = luaL_checkstring(L, 2);
lua_pushinteger(L, aug_print(*a, stdout, path));
return 1;
}
static const luaL_reg Paug_methods[] = {
{"init", Paug_init},
{"get", Paug_get},
{"print", Paug_print},
{NULL, NULL}
};
static const luaL_reg Luag_meta_methods[] = {
{"__gc", Paug_close},
{NULL, NULL}
};
LUALIB_API int luaopen_augeas(lua_State *L)
{
luaL_register(L, LIBNAME, Paug_methods);
lua_pushliteral(L, "version");
lua_pushliteral(L, VERSION);
lua_settable(L, -3);
luaL_newmetatable(L, PAUG_META);
luaL_register(L, NULL, Luag_meta_methods);
lua_pushliteral(L, "__index");
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_pushliteral(L, "__metatable");
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_pop(L, 1);
return 1;
}
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